Finding the Fourth Proportional to 25,498.71, 38,270.52 and 13,662.18

Step by Step Solution

1. Step 1: Write the proportion equation
   25,498.71 : 38,270.52 = 13,662.18 : x
2. Step 2: Convert to fraction form
   25,498.71/38,270.52 = 13,662.18/x
3. Step 3: Cross multiply
   25,498.71x = 38,270.52 × 13,662.18
4. Step 4: Simplify right side
   25,498.71x = 522,858,732.93
5. Step 5: Solve for x
   x = 522,858,732.93/25,498.71
6. Step 6: Final answer
   x = 20,505.30